NMSettingOvsInterface
NMSetting * nm_setting_ovs_interface_new (void);
void
const char * nm_setting_ovs_interface_get_interface_type (NMSettingOvsInterface *self);
NMSettingOvsInterface *self
#define NM_SETTING_OVS_INTERFACE_SETTING_NAME "ovs-interface"
#define NM_SETTING_OVS_INTERFACE_TYPE "type"